The phrase "a pattern of efforts" is correct and usable in written English.
It can be used to describe a consistent or recurring series of actions or attempts towards a particular goal or outcome.
Example: "The organization has established a pattern of efforts to improve community engagement through various outreach programs."
Alternatives: "a series of attempts" or "a trend of initiatives".
Court records from several criminal cases involving members of the Miccosukee tribe show a pattern of efforts to keep criminal cases out of state courts.
"What has emerged from these cases, as well as prior events in Hazarajat and northern Afghanistan," the rights report concluded, "is a pattern of efforts to intimidate minority populations and to deter them from cooperating with the United Front, through the arbitrary detention and summary execution of male civilians".
The DOJ's action is part of a pattern of efforts by the administration and its Justice Department to undermine school choice programs.
And there is a pattern of Republican efforts to disenfranchise Democrats, by any means possible.
Our data confirm our hypothesis as we found evidence that in the case where there is a discontinuity in running performance (i.e., muscle task failure), it is associated with a pattern of increased effort, as the athlete tries to maintain effort in the face of gross failures in muscle output.
These laws are part of an alarming pattern of efforts to undermine democratic principles.
To educated Chinese, it was part of a pattern of American-inspired efforts to humiliate China by threatening its trade, designating it as a threat to regional stability, and exaggerating its military strength and internal problems.
Stress locks the brain into a pattern of repeating the same unproductive effort, blocking a more inspired approach.
"I think the pattern of efforts of reconciliation," he added, "is unmistakable and cumulative".
Although every gesture need not meet with a positive response, most new relationships involve a pattern of gradually increasing sharing, of mutual efforts at relationship building.
Mr. Edis justified the revelation by saying it demonstrated the closeness of the two, who are charged with overseeing a pattern of phone hacking and other illegal efforts to obtain details of the lives of prominent people.
